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A metal X on heating in nitrogen gas giv...

A metal `X` on heating in nitrogen gas gives `Y,Y` on treatment with `H_(2)O` gives a colourless gas which when passed through `CuSO_(4)` solution gives a blue colour. `Y` is:

A

`Mg(NO_3)_2`

B

`Mg_3N_2`

C

`NH_3`

D

MgO

Text Solution

Verified by Experts

The correct Answer is:
B
`underset((X))3Mg+N_2tounderset((Y))Mg_3N_2`
`Mg_3N_2+6H_2Oto3Mg(OH)_2+2NH_3`
`MH_3(g)+CuSO_4(aq)tounderset("Deep blue complex")[Cu(NH_3)_4]SO_4(aq)`
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DINESH PUBLICATION-ALKALI EARTH METALS-Revision Questions From Competitive Exams.
  1. Magnesium is an important component of which biomolecule occuring exte...

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  2. Which of the following is the smallest cation?

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  3. A metal X on heating in nitrogen gas gives Y,Y on treatment with H(2)O...

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  4. Formula of plaster of Paris is

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  5. The reaction of slaked lime with Cl2 gas gives

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  6. The nitride salt of Ca when treated with H2O gives

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  7. The name of CaSO4.1/2H2O is

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  8. When one mole of bleaching powder is completely decomposed, then the m...

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  9. In the presence of cobalt chloride (CoCl2), bleaching powder decompose...

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  10. Limestone is not used in which of the following manufacturing processe...

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  11. On heating quicktime with coke in an electric furnace, we get

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  12. Magnesium can be obtanied by

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  13. The metal present in chlorophyll is

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  14. A solution of MgCl(2) in water has pH

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  15. Bleaching action of Bleaching powder is due to the liberation of

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  16. 30g Mg and 30g O(2) are reacted and the residual mixture contains:

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  17. Which of the following salt will give a green colour in fire works?

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  18. Bleaching powder is obtained by the interaction of Cl2 and

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  19. Carnallite on electrolysis gives

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  20. The solubilities of carbonates decreases down the magnesium group due ...

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